<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(pag,index) of pages" :key="index">
        <div class="icon" v-for="item of pag" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      var pages = []
      this.list.forEach(function (item, index) {
        var page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}

</script>
<style lang='stylus' scoped>
  @import '~styles/varibles.styl'
  .icons >>> .swiper-container
    overflow hidden
    width 100%
    height 0
    padding-bottom 50%
    .icon
        position relative
        overflow hidden
        float left
        width 25%
        height 0
        padding-bottom 25%
        .icon-img
            position absolute
            top 0
            left 0
            right 0
            bottom .4rem
            box-sizing border-box
            padding .1rem
            .icon-img-content
                display block
                margin 0 auto
                height 100%
        .icon-desc
            position absolute
            left 0
            right 0
            bottom 0
            text-align center
            height .4rem
            line-height .4rem
            color $darkTextColor
</style>
